#!/usr/bin/env python
# encoding: utf-8
# Carlos Rafael Giani, 2007 (dv)

import sys
from waflib.Tools import ar, d
from waflib.Configure import conf

@conf
def find_gdc(conf):
	"""
	Find the program gdc and set the variable *D*
	"""
	conf.find_program('gdc', var='D')

	out = conf.cmd_and_log(conf.env.D + ['--version'])
	if out.find("gdc") == -1:
		conf.fatal("detected compiler is not gdc")

@conf
def common_flags_gdc(conf):
	"""
	Set the flags required by *gdc*
	"""
	v = conf.env

	# _DFLAGS _DIMPORTFLAGS

	# for mory info about the meaning of this dict see dmd.py
	v['DFLAGS']            = []

	v['D_SRC_F']           = ['-c']
	v['D_TGT_F']           = '-o%s'

	# linker
	v['D_LINKER']          = v['D']
	v['DLNK_SRC_F']        = ''
	v['DLNK_TGT_F']        = '-o%s'
	v['DINC_ST']           = '-I%s'

	v['DSHLIB_MARKER'] = v['DSTLIB_MARKER'] = ''
	v['DSTLIB_ST'] = v['DSHLIB_ST']         = '-l%s'
	v['DSTLIBPATH_ST'] = v['DLIBPATH_ST']   = '-L%s'

	v['LINKFLAGS_dshlib']  = ['-shared']

	v['DHEADER_ext']       = '.di'
	v.DFLAGS_d_with_header = '-fintfc'
	v['D_HDR_F']           = '-fintfc-file=%s'

def configure(conf):
	"""
	Configuration for gdc
	"""
	conf.find_gdc()
	conf.load('ar')
	conf.load('d')
	conf.common_flags_gdc()
	conf.d_platform_flags()